Modeling Matter

Front

What happens to the weight reading on the scale as a balloon collects gas?

Back

The weight reading stays the same.

Tags

NGSS.MS-PS1-5

Front

What are the properties of a substance?

Back

Properties of a substance include characteristics such as color, density, melting point, and boiling point.

Tags

NGSS.MS-PS1-2

Front

What happens when salt is added to water?

Back

The salt dissolves in the water.

Tags

NGSS.MS-PS1-2

Front

What happens to sugar when it is stirred into lemonade?

Back

The sugar dissolves in the lemonade.

Tags

NGSS.MS-PS1-2

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that retain their individual properties.

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

Tags

NGSS.MS-PS1-1

Front

What is a compound?

Back

A compound is a substance formed when two or more elements are chemically bonded together.

Tags

NGSS.MS-PS1-1

Front

What is the difference between a mixture and a compound?

Back

A mixture retains the properties of its components, while a compound has different properties from the elements that make it up.

Front

What is the process of dissolving?

Back

Dissolving is the process where a solute (like salt or sugar) mixes with a solvent (like water) to form a solution.

Front

What is a solution?

Back

A solution is a homogeneous mixture where one substance (the solute) is dissolved in another (the solvent).